%多行或多列合并的情况
%（1）多行合并代码如下
\documentclass{article}
\usepackage{multirow} %使用multirow必须加载该package
\begin{document}
\begin{table}[tbp]
\centering
\begin{tabular}{|ccccc|ccccc|}
\hline
Case & Structural \ State & Damage\ Location & Damage \ extent & Excitation \ Level(V)
\\ \hline % \hline 在该行下面画一整条横线
32 & \multirow{6}{*}{DamagedStates (DS3)} & 1C and 3A & DB0 & 2 \\ % * 表示由系统自动调整文字
33 & & 1C and 3A & DB0 & 5 \\
34 & & 1C and 3A & DB0 & 8 \\
35 & & 1C and 3A & DBB & 2 \\
36 & & 1C and 3A & DBB & 5 \\
37 & & 1C and 3A & DBB & 8 \\
\hline
\end{tabular}
\caption{List of unknown states}<
